molarity and concentration

Which sweet tea would you expect to taste the sweetest?

• 1M
• 3M
• 3.1M
• 2.5M

True or False? The higher the concentration of a solution the less solutes it has in it.

• True
• False

How many moles are needed to make 2.5 L of a 3.8 M solution? 

• 9.5 mol
• 0.66 mol
• 1.5 mol
• 15 mol

Tags

NGSS.HS-PS1-7

What is the formula for molarity?

• moles/grams
• moles/kilograms
• moles/milliliters
• moles/liters

What does it mean if a mixture is homogeneous?

• you can see the different parts
• cannot tell one part from another
• chunks of particles
• made of elements

What does the solute dissolve in?

• solvent
• mixture
• solute

How many L are in 45 mL of a solution?

• 450
• 45000
• 4.5
• 0.045

What is the molarity of 122.5 g of AlCl₃ in 1.0 L of solution?

• 1.225 M
• 0.92 M
• 0.1225 M

What is the molarity of a solution of nitric acid that contains 12.6 grams nitric acid in 1.2 L of solution?

• 0.167 M
• 0.538 M
• 0.378 M
• 0.812 M

A student is preparing solutions for a laboratory experiment by dissolving solid solutes in liquid solvents. Which action will increase the rate of solubility

• lowering the temperature of the solvent

• stirring the solute in the solution

• increasing the pressure on the solution

• increasing the particle size of the solute